Observatory on the summit of Karayama, where you can also see the Oshima stone quarry.
Located at an altitude of 232m on the summit of Kareiyama, the observation deck, which is designed like a fortress, conveys the image of the Murakami navy. From here, you can enjoy a panoramic view of the Hakata-Oshima Bridge, the ruins of Noshima Castle, Ushima, and the fast tides of the Seto Inland Sea, and you can see the beautiful scenery of the Seto Inland Sea, which is blessed with a gentle environment rich in natural changes. In addition, there are facilities such as a campsite, a promenade, and a rest area in the surrounding area, making it ideal for recreation. You can also enjoy seasonal flowers such as cherry blossoms in spring.